Elements of Propulsion: Gas Turbines and Rockets

Appendix C: Data for Some Liquid-Propellant Rocket Engines

Table C.1: Data for some liquid-propellant rocket engines

Engine [a]

Thrust (lbf) in vacuum

Expansion ratio ( ? = A e/ A t)

Design alt. (ft) ( P e = P a)

I sp (s)

Application

Vacuum

SL

LR-87-BC-13

16,000

45:1

60,000

293

Agena

LR-87-AJ-9

474,000

8:1

20,000

283

257

Titan 2 1st stage

Titan 3 2d stage

Titan Gemini 1st stage

LR-87-AJ-11

548,000

15:1

301

Titan 4 1st stage

LR-91-AJ-7

100,570

49:1

100,000

309

Titan 2 2d stage

Titan 3A-Gemini

Titan 3C 3d stage

LR-91-AJ-11

105,000

49.2:1

316

Titan 4 2d stage

LR-105 [*]

83,700

24.9:1

100,000

304

212

Std. launch vehicle

F-1 [*]

1,726,000

24.9:1

80,000

305

265

Saturn V 1st stage

H-1 [*]

219,000

8:1

80,000

287

255

Saturn IB

J-2 [*]

200,000

25.5:1

100,000

426

380

Saturn V 2nd and 3d stages

RS-27 [*]

231,700

8:1

263

Delta launch vehicle

SSME [*]

470,000

77:1

44,600

455

364

Space shuttle main engine

STME [*]

650,000

45:1

428

364

Space transportation main engine

RL10A-4 [ ]

20,800

449

Atlas IIA upper stage

HM78 [ ]

14,300

83:1

446

Ariane 5 upper stage

RD-0110 [ ]

30,400

82:1

326

Soyuz stage 2

RD-180 [ ]

860,200(SL)

36:1

338

311

Atlas V

Vulcain 2

286,000

59:1

431

Ariane 5

[a]Manufacturers: BC = Bell Aerosystems Co.; AJ = Aerojet.

[*]= Rocketdyne.

[ ]= Snecma.

[ ]= Russia.

[ ]= Pratt & Whitney.

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